The lensfun filter, at present, loads its database from a path hardcoded at build time. This may not be known or available to end users.
Added option db_path allows custom path. --- doc/filters.texi | 4 ++++ libavfilter/vf_lensfun.c | 8 +++++--- 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/doc/filters.texi b/doc/filters.texi index 6a66b0ed11..9861f43c07 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -14693,6 +14693,10 @@ required. The model of the lens (for example, "Canon EF-S 18-55mm f/3.5-5.6 IS STM"). This option is required. +@item db_path +The full path to the lens database folder. If not set, the filter will attempt to +load the database from the install path when the library was built. Default is unset. + @item mode The type of correction to apply. The following values are valid options: diff --git a/libavfilter/vf_lensfun.c b/libavfilter/vf_lensfun.c index 596daed104..35c522a723 100644 --- a/libavfilter/vf_lensfun.c +++ b/libavfilter/vf_lensfun.c @@ -73,7 +73,7 @@ typedef struct DistortionCorrectionThreadData { typedef struct LensfunContext { const AVClass *class; - const char *make, *model, *lens_model; + const char *make, *model, *lens_model, *db_path; int mode; float focal_length; float aperture; @@ -97,6 +97,7 @@ static const AVOption lensfun_options[] = { { "make", "set camera maker", OFFSET(make), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, FLAGS }, { "model", "set camera model", OFFSET(model), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, FLAGS }, { "lens_model", "set lens model", OFFSET(lens_model), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, FLAGS }, + { "db_path", "set path to database", OFFSET(db_path), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, FLAGS }, { "mode", "set mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=GEOMETRY_DISTORTION}, 0, VIGNETTING | GEOMETRY_DISTORTION | SUBPIXEL_DISTORTION, FLAGS, "mode" }, { "vignetting", "fix lens vignetting", 0, AV_OPT_TYPE_CONST, {.i64=VIGNETTING}, 0, 0, FLAGS, "mode" }, { "geometry", "correct geometry distortion", 0, AV_OPT_TYPE_CONST, {.i64=GEOMETRY_DISTORTION}, 0, 0, FLAGS, "mode" }, @@ -136,9 +137,10 @@ static av_cold int init(AVFilterContext *ctx) const lfLens **lenses; db = lf_db_create(); - if (lf_db_load(db) != LF_NO_ERROR) { + if ((lensfun->db_path ? lf_db_load_path(db, lensfun->db_path) : lf_db_load(db)) != LF_NO_ERROR) { lf_db_destroy(db); - av_log(ctx, AV_LOG_FATAL, "Failed to load lensfun database\n"); + av_log(ctx, AV_LOG_FATAL, "Failed to load lensfun database from %s path\n", + lensfun->db_path ? lensfun->db_path : "default"); return AVERROR_INVALIDDATA; } -- 2.34.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".